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gulpfile.babel.js
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gulpfile.babel.js
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import gulp from 'gulp'
import { parallel } from 'gulp'
import babel from 'gulp-babel'
import watch from 'gulp-watch'
import server from 'gulp-server-io'
import log from 'fancy-log'
import fs from 'fs'
import he from 'he'
import path from 'path'
import mjml2html from 'mjml'
import { registerComponent } from 'mjml-core'
import mjml2json from 'mjml2json'
const fsPromises = fs.promises
const arg = (argList => {
let arg = {}, a, opt, thisOpt, curOpt;
for (a = 0; a < argList.length; a++) {
thisOpt = argList[a].trim();
opt = thisOpt.replace(/^\-+/, '');
if (opt === thisOpt) {
if (curOpt) arg[curOpt] = opt;
curOpt = null;
}
else {
curOpt = opt;
arg[curOpt] = true;
}
}
return arg;
})(process.argv);
const replace = async (input, regex, replacer) => {
let flags = (regex.flags || '').replace('g', '');
let re = new RegExp(regex.source || regex, flags);
let index = 0;
let match;
while ((match = re.exec(input.slice(index)))) {
let value = await replacer(...match);
index += match.index;
input = input.slice(0, index) + value + input.slice(index + match[0].length);
index += match[0].length;
if (flags === regex.flags) {
break;
}
}
return input;
};
const walkSync = (dir, filelist = []) => {
fs.readdirSync(dir).forEach((file) => {
filelist = fs.statSync(path.join(dir, file)).isDirectory()
? walkSync(path.join(dir, file), filelist)
: filelist.concat(path.join(dir, file))
})
return filelist
}
const watchedComponents = walkSync('./src/components')
const compile = (cb) => {
return gulp
.src('src/components/**/*.js')
.pipe(
babel({
presets: ['@babel/preset-env'],
}),
)
.on('error', log)
.pipe(gulp.dest('lib'))
.on('end', () => {
watchedComponents.forEach((compPath) => {
const fullPath = path.join(process.cwd(), compPath.replace(/^src\\components/, 'lib'))
delete require.cache[fullPath]
const component = require(fullPath).default
registerComponent(component)
})
fs.readFile(path.normalize('./src/index.mjml'), 'utf8', async (err, data) => {
if (err) throw err
const result = mjml2html(data, {
keepComments: false,
beautify: true,
filePath: './src',
juicePreserveTags: { designerVars: { start: '<<', end: '>>' } },
})
fs.writeFileSync(path.normalize('./dist/index.html'), he.encode(result.html, {
allowUnsafeSymbols: true
})
.replace(/#(\w*)#/g,"<<$1>>")
.replace(/\s([\?\!])/g,"<< $1>>")
)
/**
* JSON
*/
// const includeRegexp = /<mj-include\s+path=['"](.*[.mjml]?)['"]\s*(\/>|>\s*<\/mj-include>)/g
// console.log(data);
// data = await replace(data,includeRegexp, async (a,file) => {
// return await fsPromises.readFile(path.normalize('./src/' + file), 'utf8')
// })
// const json = mjml2json(data)
// fs.writeFile(path.normalize('./dist/mail.json'), JSON.stringify(json), err => {
// if(err) throw err
// })
})
})
}
const mjml = () => {
}
gulp.task('serve', () => {
return gulp.src('./dist').pipe(
server({
webroot: path.join(__dirname, 'dist'),
port: 8081,
debugger: false,
indexes: ['index.html'],
}),
)
})
gulp.task('dev', () => {
return gulp.src('./dev').pipe(
server({
webroot: path.join(__dirname, 'dev'),
port: 8080,
indexes: ['index.html'],
debugger: false
}),
)
})
gulp.task('watch', () => {
compile()
return watch(['src/components/**/*.js','src/**/*.mjml','src/index.mjml'], compile)
})
gulp.task('mjml', () => {
mjml()
return watch(['src/**/*.mjml','src/index.mjml'], )
})
gulp.task('default', parallel(['watch','serve']))